tequilaOS/platform_system_sepolicy
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Add sepolicy for mdns service

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mdns service is a subset of netd-provided services, so it gets
the same treatment as netd_service or dnsresolver_service

Bug: 209894875
Test: built, flashed, booted
Change-Id: I33de769c4fff41e816792a34015a70f89e4b8a8c
This commit is contained in:
paulhu 2021-12-09 11:49:23 +08:00
parent 9d34085078
commit 70b0a77ee0
11 changed files with 22 additions and 0 deletions
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1
private/atrace.te
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@ -33,6 +33,7 @@ allow atrace {
-installd_service
-iorapd_service
-lpdump_service
-mdns_service
-netd_service
-stats_service
-tracingproxy_service

1
private/compat/32.0/32.0.ignore.cil
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@ -45,6 +45,7 @@
hal_wifi_hostapd_service
hal_wifi_supplicant_service
locale_service
mdns_service
mtectrl
nearby_service
proc_watermark_boost_factor

1
private/netutils_wrapper.te
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@ -17,6 +17,7 @@ allow netutils_wrapper self:netlink_xfrm_socket ~ioctl;
# For netutils (ndc) to be able to talk to netd
allow netutils_wrapper netd_service:service_manager find;
allow netutils_wrapper dnsresolver_service:service_manager find;
allow netutils_wrapper mdns_service:service_manager find;
binder_use(netutils_wrapper);
binder_call(netutils_wrapper, netd);

1
private/network_stack.te
View file

@ -22,6 +22,7 @@ allow network_stack self:netlink_route_socket nlmsg_write;
allow network_stack app_api_service:service_manager find;
allow network_stack dnsresolver_service:service_manager find;
allow network_stack mdns_service:service_manager find;
allow network_stack netd_service:service_manager find;
allow network_stack network_watchlist_service:service_manager find;
allow network_stack radio_service:service_manager find;

1
private/service_contexts
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@ -207,6 +207,7 @@ logcat u:object_r:logcat_service:s0
logd u:object_r:logd_service:s0
looper_stats u:object_r:looper_stats_service:s0
lpdump_service u:object_r:lpdump_service:s0
mdns u:object_r:mdns_service:s0
media.aaudio u:object_r:audioserver_service:s0
media.audio_flinger u:object_r:audioserver_service:s0
media.audio_policy u:object_r:audioserver_service:s0

2
private/system_app.te
View file

@ -89,6 +89,7 @@ allow system_app {
-installd_service
-iorapd_service
-lpdump_service
-mdns_service
-netd_service
-system_suspend_control_internal_service
-system_suspend_control_service
@ -103,6 +104,7 @@ dontaudit system_app {
dumpstate_service
installd_service
iorapd_service
mdns_service
netd_service
virtual_touchpad_service
vold_service

1
private/system_server.te
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@ -869,6 +869,7 @@ allow system_server iorapd_service:service_manager find;
allow system_server keystore_maintenance_service:service_manager find;
allow system_server keystore_metrics_service:service_manager find;
allow system_server keystore_service:service_manager find;
allow system_server mdns_service:service_manager find;
allow system_server mediaserver_service:service_manager find;
allow system_server mediametrics_service:service_manager find;
allow system_server mediaextractor_service:service_manager find;

11
public/netd.te
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@ -87,6 +87,7 @@ allow netd dnsmasq:process signal;
binder_use(netd)
add_service(netd, netd_service)
add_service(netd, dnsresolver_service)
add_service(netd, mdns_service)
allow netd dumpstate:fifo_file { getattr write };
# Allow netd to call into the system server so it can check permissions.
@ -150,6 +151,16 @@ neverallow {
-netutils_wrapper
} dnsresolver_service:service_manager find;
# only system_server, dumpstate and network stack app may find mdns service
neverallow {
domain
-system_server
-dumpstate
-network_stack
-netd
-netutils_wrapper
} mdns_service:service_manager find;
# apps may not interact with netd over binder.
neverallow { appdomain -network_stack } netd:binder call;
neverallow netd { appdomain -network_stack userdebug_or_eng(`-su') }:binder call;

1
public/service.te
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@ -27,6 +27,7 @@ type keystore_metrics_service, service_manager_type;
type keystore_service, service_manager_type;
type legacykeystore_service, service_manager_type;
type lpdump_service, service_manager_type;
type mdns_service, service_manager_type;
type mediaserver_service, service_manager_type;
type mediametrics_service, service_manager_type;
type mediaextractor_service, service_manager_type;

1
public/shell.te
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@ -85,6 +85,7 @@ allow shell {
-incident_service
-installd_service
-iorapd_service
-mdns_service
-netd_service
-system_suspend_control_internal_service
-system_suspend_control_service

1
public/traceur_app.te
View file

@ -12,6 +12,7 @@ allow traceur_app {
-installd_service
-iorapd_service
-lpdump_service
-mdns_service
-netd_service
-virtual_touchpad_service
-vold_service